USE AND MAINTENANCE OF THE COFFEE HULLER
1.0 PURPOSE
To ensure the coffee huller is operating properly so parchment coffee may be
processed into coffee green beans.
2.0 SCOPE
All studies that are required to comply with 40 CFR, Part 160 Good Laboratory
Practice Standards.
3.0 PROCEDURES
3.1 Be familiar with the coffee huller (Penagos K60 parchment coffee huller or
equivalent) instructions in log book.
3.2 Calibration of the coffee huller is not necessary.
3.3 Visually inspect the coffee huller for obvious wear; and perform a brief test
run (without parchment coffee beans). Replace or repair the deficiencies as
needed.
3.4 Use:
a. Consult and follow the instructions for use.
b. If necessary, clean the coffee huller (appropriate internal and external
parts) with dilute soapy water. Finish with a clean water rinse; then dry.
c. Hook up electricity. Check the placement of the two weights on the exit
door of the huller; start with them all the way in (nearest to the door).
Place a clean bucket at the exit door of the coffee huller to collect
coffee green beans.
d. Make sure the hopper door is closed. Place parchment coffee beans into
hopper, turn on the huller, slowly open hopper door.
e. As parchment coffee beans make their way into and out of the huller,
adjust the parchment coffee bean inflow such that the ammeter needle
operates at approximately the targeted (marked) line.
f. Also, if there are a lot of unhulled coffee beans as the coffee green
beans exit the hulling chamber, adjust the weights further away from
the door, such that the parchment coffee remains in the chamber longer
to assure complete removal of the parchment.
g. Unhulled coffee beans may be sorted out from the green beans and
returned to the hopper.
h. Clean the coffee huller between treatments. Clean appropriate internal
and external parts with dilute soapy water. Finish with a clean water
rinse; then dry.
3.5 Maintenance:
a. Visually inspect the coffee huller for obvious wear; and perform a brief
test run (without parchment coffee beans). Replace or repair the
deficiencies as needed.
b. In the event of failure or malfunction, consult the manual and/or contact
the manufacturer regarding repair or replacement.
3.6 Documentation:
a. Designate the person responsible for each operation in the coffee huller
log.
b. Record in the coffee huller log, the use and maintenance operations.
Include the dates of the operations, describe whether the maintenance
operations were routine and followed the written standard operating
procedures above.
c. Record any non-routine repairs performed on the coffee huller as a
result of failure or malfunction. Document the nature of the defect, how
and when the defect was discovered, and any remedial action taken in
response to the defect.
d. Because this equipment may be shared with personnel outside this
program, some entries in the equipment log book and/or other records
SOP 7-6.2 Page 3 of 3
may not be GLP compliant. All equipment documentation relevant to
IR-4 studies will be GLP compliant.
USE AND MAINTENANCE OF THE COFFEE ROASTER
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